def _verifyVar(self, var):
if var is not None:
raise SolutionVariableNumberError('The solution variable should not be specified.')
if len(self._vars) != len(self._uncoupledTerms):
raise SolutionVariableNumberError
return _AbstractBinaryTerm._verifyVar(self, _CoupledCellVariable(self._vars))
def __call__(self, _vars):
_vars = list(_vars)
if len(_vars) != len(self._vars) or len(set(_vars)) != len(self._vars):
raise SolutionVariableNumberError
for var in _vars:
if var not in set(self._vars):
raise SolutionVariableNumberError('Variable not in previously defined variables for this coupled equation.')
self._internalVars = _vars
return self